Contrast-Finder new release v0.8.5: ready for tomcat 9

Here is a new minor version of Contrast-Finder: 0.8.5 is now powered by this latest version
and Docker images are up to date.

Default docker image is now ubuntu-16.04_tomcat-7
instead of ubuntu-14.04_tomcat-7.


The changelog for v0.8.5 is available on the repos: